Yes

you do need a jacket based on the weather in Philadelphia, PA 19103, USA 1 second ago

Why? Because there's a refreshing nip in the air and it's fairly windy outside!
47°F8°C & Clear

Wind is 8 mph13 km/h from the West, gusting to 19 mph31 km/h
November 4
7am47°F8°C9 mph14 km/h WestClear
8am46°F8°C9 mph14 km/h WestClear
9am45°F7°C9 mph14 km/h WestClear
10am45°F7°C8 mph14 km/h WestClear
11am44°F6°C8 mph13 km/h WestClear
12pm43°F6°C8 mph12 km/h WestClear
1pm47°F8°C9 mph15 km/h WestClear
2pm51°F10°C10 mph16 km/h WestClear
3pm54°F12°C11 mph18 km/h WestClear
4pm56°F13°C12 mph20 km/h WestClear
5pm58°F14°C12 mph20 km/h NorthwestClear
6pm59°F15°C13 mph20 km/h WestClear
DateLowHighWindDayNight
November 443°F6°C60°F16°C10 mph16 km/h from WestClearClear
November 540°F4°C65°F18°C10 mph17 km/h from SouthwestMostly ClearMostly Clear
November 640°F5°C55°F13°C10 mph16 km/h from NorthwestMostly ClearPartly Cloudy
November 736°F2°C59°F15°C9 mph15 km/h from SouthMostly CloudyRain
November 849°F9°C63°F17°C7 mph12 km/h from WestDrizzlePartly Cloudy
November 944°F7°C61°F16°C7 mph11 km/h from SouthwestMostly CloudyRain
November 1034°F1°C48°F9°C10 mph16 km/h from NorthwestDrizzleMostly Clear

Yes

Low of 40°F5°C, High of 65°F19°C
Wind: 10 mph17 km/h
Precipitation: None

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